/*
 * This file is part of LangMan.
 *
 * LangMan is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * LangMan is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with LangMan.  If not, see <http://www.gnu.org/licenses/>.
 */

package langman.business.actions.category;

import javafx.beans.property.BooleanProperty;
import javafx.beans.property.ReadOnlyBooleanProperty;
import javafx.beans.property.SimpleBooleanProperty;
import langman.business.actions.common.Action;
import langman.business.actions.common.ActionTypes;
import langman.business.data.TranslationService;
import langman.business.data.model.Category;
import langman.gui.tree.CategoryItem;
import langman.gui.tree.TreeItemSelectionService;
import langman.util.doping.Inject;
import langman.util.doping.SingletonBean;
import org.controlsfx.dialog.Dialog.Actions;
import org.controlsfx.dialog.Dialogs;

@SingletonBean
public class RemoveCategoryAction implements Action {

    private final TreeItemSelectionService selectionService;
    private final TranslationService translationService;

    private final BooleanProperty possible = new SimpleBooleanProperty();

    @Inject
    public RemoveCategoryAction(TreeItemSelectionService selectionService, TranslationService translationService) {
        this.selectionService = selectionService;
        this.translationService = translationService;

        selectionService.selectedItemProperty().addListener((observableValue, oldValue, newValue) -> possible.set(newValue instanceof CategoryItem));
    }

    @Override
    public ReadOnlyBooleanProperty possibleProperty() {
        return possible;
    }

    @Override
    public void perform() {
        Category selectedItem = selectionService.getSelectedCategory();

        org.controlsfx.control.action.Action choice = Dialogs.create().lightweight().message("Do you really want to delete the category " + selectedItem.getName() + "?").showConfirm();

        if (Actions.YES.equals(choice)) {
            translationService.removeCategory(selectedItem);
        }
    }

    @Override
    public ActionTypes getActionType() {
        return ActionTypes.RemoveCategory;
    }
}
